body { width: 100%; height: 100%; background: #121212; }

html { width: 100%; height: 100%; }

.m-container { width: 100%; height: 100%; }

.banner { width: 1300px; height: 800px; margin: 0 auto; }

.banner-bg { width: 1200px; height: 710px; position: absolute; top: 50%; left: 50%; margin-top: -355px; margin-left: -600px; background-size: cover; background-repeat: no-repeat; -webkit-transition: all 0.2s ease-out; transition: all 0.2s ease-out; }

.bg1 { background-image: url(https://juheimg.oss-cn-hangzhou.aliyuncs.com/www/v6/home/1.png); }

.bg2 { background-image: url(https://juheimg.oss-cn-hangzhou.aliyuncs.com/www/v6/home/2.png); }

.bg3 { background-image: url(https://juheimg.oss-cn-hangzhou.aliyuncs.com/www/v6/home/3.png); }

.bg4 { background-image: url(https://juheimg.oss-cn-hangzhou.aliyuncs.com/www/v6/home/4.png); }

.bg5 { background-image: url(https://juheimg.oss-cn-hangzhou.aliyuncs.com/www/v6/home/5.png); }
